1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SND_DESIGNWARE_I2S 2 config SND_DESIGNWARE_I2S
3 tristate "Synopsys I2S Device Driver" 3 tristate "Synopsys I2S Device Driver"
4 depends on HAVE_CLK 4 depends on HAVE_CLK
5 select SND_SOC_GENERIC_DMAENGINE_PCM 5 select SND_SOC_GENERIC_DMAENGINE_PCM
6 help 6 help
7 Say Y or M if you want to add support 7 Say Y or M if you want to add support for I2S driver for
8 Synopsys designware I2S device. The d 8 Synopsys designware I2S device. The device supports up to
9 a maximum of 8 channels each for play 9 a maximum of 8 channels each for play and record.
10 10
11 config SND_DESIGNWARE_PCM 11 config SND_DESIGNWARE_PCM
12 bool "PCM PIO extension for I2S driver 12 bool "PCM PIO extension for I2S driver"
13 depends on SND_DESIGNWARE_I2S 13 depends on SND_DESIGNWARE_I2S
14 help 14 help
15 Say Y or N if you want to add a custo 15 Say Y or N if you want to add a custom ALSA extension that registers
16 a PCM and uses PIO to transfer data. 16 a PCM and uses PIO to transfer data.
17 17
18 This functionality is specially suite 18 This functionality is specially suited for I2S devices that don't have
19 DMA support. 19 DMA support.
20 20
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